Fixes to loading diseases groups that do not have organisms
Fixes to loading diseases groups that do not have organisms

JayBoyer/new-trisano,JayBoyer/new-trisano,JayBoyer/new-trisano,JayBoyer/new-trisano,JayBoyer/new-trisano,JayBoyer/new-trisano,JayBoyer/new-trisano